body {
  min-width: 320px;
  max-width: 750px;
  /* flexible划分了10等分 */
  width: 10rem;
  margin: 0 auto;
  line-height: 1.5;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f2f2f2;
}
a {
  text-decoration: none;
  font-size: .333333rem;
}
/* 如果屏幕超过了750px，那就按照750设计稿来走 */
@media screen and (min-width: 750px){
  html {
    font-size: 75px !important;
  }
}
/* search-content */
.search-content {
  display: flex;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 10rem;
  height: 1.173333rem;
  background-color: #ffc001;
}
.classify {
  width: .586667rem;
  height: .933333rem;
  margin: .146667rem .333333rem .133333rem;
  background: url(../images/classify.png) no-repeat;
  background-size: .586667rem .933333rem;
}
.search {
  flex: 1;
}
.search input {
  width: 100%;
  height: .88rem;
  outline: none;
  border: 0;
  margin-top: .133333rem;
  background-color: #fff2cc;
  border-radius: .44rem;
  color: #757575;
  padding-left: .733333rem

}
.login {
  width: 1rem;
  height: .933333rem;
  margin: .133333rem;
  color: #fff;
  line-height: .933333rem;
  text-align: center;
  font-size: .333333rem;
}